Founded in 2001 as Ryugasaki FC, they began to play in the lower levels of Ibaraki Prefecture Leagues.

In 2014 Dragons reached the final of Shakaijin Cup and received a spot in Regional League promotion series despite the fact they spent 2014 season in the second division of Kantō League.

[1] Along with the promotion, the club decided to change their name to Ryutsu Keizai Dragons Ryugasaki starting from 2015.

In 2019, RKU Dragons Ryugasaki were relegated to the Japanese Regional Leagues from 2020, after a 5-year stint at JFL.

[2] Note: Flags indicate national team as defined under FIFA eligibility rules; some limited exceptions apply.